Re-adjusts per-filter probability thresholds

	modified:   pandora_vision_hole_detector/cfg/hole_fusion_cfg.cfg
	modified:   pandora_vision_hole_detector/src/hole_fusion_node/rgb_filters.cpp

	new file:   pandora_vision_hole_detector/walls/85.png
	new file:   pandora_vision_hole_detector/walls/86.png
	new file:   pandora_vision_hole_detector/walls/87.png
	new file:   pandora_vision_hole_detector/walls/88.png
	new file:   pandora_vision_hole_detector/walls/89.png
	new file:   pandora_vision_hole_detector/walls/90.png
	new file:   pandora_vision_hole_detector/walls/91.png
	new file:   pandora_vision_hole_detector/walls/92.png
	new file:   pandora_vision_hole_detector/walls/93.png
	new file:   pandora_vision_hole_detector/walls/94.png
	new file:   pandora_vision_hole_detector/walls/95.png
	new file:   pandora_vision_hole_detector/walls/96.png
	new file:   pandora_vision_hole_detector/walls/97.png